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binding/c: check MPI_IN_PLACE in neighbor collectives - #7904

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binding/c: check MPI_IN_PLACE in neighbor collectives#7904
hzhou wants to merge 1 commit into
pmodels:mainfrom
hzhou:2607_neighbor

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@hzhou

@hzhou hzhou commented Jul 26, 2026

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Pull Request Description

MPI_IN_PLACE is not allowed in MPI_Neighbor_xxx functions.

Fixes #7899

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MPI_IN_PLACE is not allowed in MPI_Neighbor_xxx functions.
@hzhou

hzhou commented Jul 26, 2026

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test:mpich/ch3/tcp
test:mpich/ch4/ofi

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More error checking in MPI_Neighbour_* functions?

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